VTRIP = 2.2V typ NO
參數(shù)資料
型號(hào): ISL12025IVZ
廠商: Intersil
文件頁數(shù): 17/27頁
文件大?。?/td> 0K
描述: IC RTC/CALENDAR EEPROM 8-TSSOP
標(biāo)準(zhǔn)包裝: 960
類型: 時(shí)鐘/日歷
特點(diǎn): 警報(bào)器,閏年,監(jiān)控器,唯一 ID,監(jiān)視計(jì)時(shí)器
時(shí)間格式: HH:MM:SS(12/24 小時(shí))
數(shù)據(jù)格式: YY-MM-DD-dd
接口: I²C,2 線串口
電源電壓: 2.7 V ~ 5.5 V
電壓 - 電源,電池: 1.8 V ~ 5.5 V
工作溫度: -40°C ~ 85°C
安裝類型: 表面貼裝
封裝/外殼: 8-TSSOP(0.173",4.40mm 寬)
供應(yīng)商設(shè)備封裝: 8-TSSOP
包裝: 管件
24
FN6371.3
August 13, 2008
.
C
1
0
Standard Mode,
VTRIP = 2.2V typ
NO
Operation of I2C bus down to
VDD =VRESET, then below that no
communications. Battery switchover at
VTRIP.
D
1
Legacy Mode,
VDD < VBAT
NO
Operation of I2C bus down to VRESET or
VBAT, whichever is higher.
TABLE 9. I2C, LV RESET, AND BATTERY BACKUP OPERATION SUMMARY (Shaded Row is same as X1227 operation) (Continued)
MODE
SBIB BIT
BSW
BIT
VBAT
SWITCHOVER
VOLTAGE
I2C ACTIVE IN
BATTERY
BACKUP?
EE PROM WRITE/READ
IN BATTERY BACKUP?
NOTES
VRESET(2.63V)
RESET
VTRIP
VDD
tPURST
(2.2V)
IBAT
(BATTERY BACKUP MODE)
(VDD POWER, VBAT NOT CONNECTED)
FIGURE 29. EXAMPLE RESET OPERATION IN MODE A OR C
VBAT(3.0V)
I2C BUS ACTIVE
VRESET(2.63V)
RESET
VTRIP
VDD
(2.2V)
IBAT
(BATTERY BACKUP MODE)
FIGURE 30. RESET OPERATION IN MODE D
VBAT(3.0V)
I2C BUS ACTIVE
tPURST
ISL12025
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